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Description
Rolls RS81B Quartz PLL Synthesized AM/FM TunerQuartz Phase Locked Loop (PLL) 30 Memory Presets for FM and AM Stations Retains Presets When Powered Off Auto Search Function Signal Strength LED Meter 1 8" Headphone Output Stereo XLR and RCA Outputs Wireless Remote Control Included The RS81B from Rolls is a single rack space quartz Phase Locked Loop (PLL) digital AM FM tuner, well suited for remote radio station trucks and repeaters, houses of worship and school installations, night clubs,
- Quartz Phase Locked Loop (PLL)
- 30 Memory Presets for FM and AM Stations
- Retains Presets When Powered Off
- Auto Search Function
- Signal Strength LED Meter
- 1/8" Headphone Output
- Stereo XLR and RCA Outputs
- Wireless Remote Control Included
The RS81B from Rolls is a single-rack space quartz Phase Locked Loop (PLL) digital AM/FM tuner, well suited for remote radio station trucks and repeaters, houses of worship and school installations, night clubs, restaurants, and other professional applications. The unit can store up to 30 FM and AM stations and retains its memory even after powering off. The system offers Radio Data System (RDS) display via its large and easy-to-read digital LCD. The RS81B also features an auto search function, a signal strength LED meter indicator, and a wireless remote control.
-
- Up to 30 FM and AM stations may be stored
- RDS (Radio Data System) Display
- Retains presets when power is off
- Large LCD digital display
- Auto Search function
- Standard 1 space EIA rack chassis
- 1/8" Headphone output, Stereo XLR and RCA outputs
- Signal strength LED meter indicator
- Remote included
UPC: 675889008111
| Connectors | |
|---|---|
| Inputs | FM Antenna 75 Ohm: Connects to the included 75 Ohm FM antenna AM Loop Antenna 300 Ohm: Connects to the included 300 Ohm AM Loop antenna |
| Outputs | Balanced: 2 x XLR line level Unbalanced: 2 x RCA line level Headphone (Front Panel): 1/8" / 3.5 mm |
| FM Section | |
|---|---|
| Tuning Range | 87.5 to 108 MHz |
| Limiting | 3 dB Limiting: 12 dB |
| Image Rejection | 53 dB |
| Usable Sensitivity | Mono IHF: 9 dB |
| Selectivity | -70 kHz to +90 kHz |
| Signal-to-Noise Ratio (SNR) | 52 dB @ 1 mV Mono |
| Stereo | 50 dB |
| THD | At 1 mV 40 kHz Deviation: 0.18% |
| Stereo Separation | 28 dB |
| Auto Scan Sensitivity | 23 dB |
| AM Suppression Mod. | 52 dB |
| Antenna Input Impedance | 75 Ohms |
| AM Section | |
|---|---|
| Tuning Range | 530 to 1710 kHz (10 kHz increments) 522 to 1611 kHz (9 kHz increments) |
| IF Frequency | 450 kHz |
| Usable Sensitivity | 28 dB |
| Auto Scan Sensitivity | 41 dB |
| S/N Ratio | 46 dB @ 5 mV/M |
| 6 dB Bandwidth | 7 kHz |
| Image Rejection | 42 dB |
| ACA | ±9 kHz: 46 dB |
| AGC Action | 43 dB |
| THD | 0.40% @ 5 mV/M |
| Antenna Input Impedance | 300 Ohms |
| General Specifications | |
|---|---|
| Power Requirements | Power Select Switch: 115 V (110-120 VAC) or 230 V (220-240 VAC), 60/50 Hz, 45 W |
| IEC | AC: Three connector IEC power cord |
| DC Power Input | 24 VDC input for powering the RS81B when main power is not available |
| Dimensions (WxHxD) | 19.0 x 1.8 x 7.0" / 482.6 x 44.5 x 177.8 mm |
| Weight | 7.1 lb / 3.2 kg |
| Packaging Info | |
|---|---|
| Package Weight | 7.35 lb |
| Box Dimensions (LxWxH) | 23.8 x 11.5 x 5.3" |
In the Box
Rolls RS81B Quartz PLL Synthesized AM/FM Tuner
- Remote Control
- IEC Power Cord
- Limited 1-Year Warranty
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4.9 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 4
Fun read
Format: Kindle
I'm not really into mafia books but I love Roxy Collin's other series so I decided to give it a try. It had the same great romance, spice, swoon-worthy characters and exciting plot that are her signature. Arben was my favorite, although it was a bit sudden how quickly he changed from ignoring her to wanting to be pack. There were almost too many twists/layers of lies to keep track of but I'm looking forward to reading the other books.
The only thing that detracted from the story for me was the need for a bit more proofreading. It was mentioned that Kelly is a female and male at different points, leading me to think she changed her mind at some point about the character's gender but didn't go back and edit it to align in all places. Like another reviewer pointed out, step siblings are different than half siblings. They are incorrectly referred to as step siblings because they (allegedly) share the same biological dad. There are a few other typos as well but those aren't a big deal.
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Reviewed in the United States on March 18, 2025
★★★★★ 5
Stepbrothers, Secrets, and Sizzling Heat
Format: Kindle
Twisted Lies by Roxy Collins is a wild ride through family secrets, amnesia, and a steamy stepbrother romance. When Kelly discovers her life is built on lies, she ends up tangled with three alpha stepbrothers and an assassin who once helped her through a heat.
The tension? Off the charts!
The heat is real, and the complications are messy in the best way. Full of twists, secrets, and fated mates? You'll be hooked from page one!
Love omegaverse drama with a dash of taboo? This one's for you!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 10, 2024
★★★★★ 3
Good read
Format: Kindle
The book has some good twists and turns, but truthfully I was so confused on some things. It didn't have a good flow for me personally. Not sure if it's due to typos or using him/her wrongly, but I thought Kelly was both a guy and a girl. Actually I still don't know, and it made me incredibly frustrated. It would refer to Kelley as him or he, and then again in another part of the story as her she and sister. On to the next book, I hope there is some clarity and a smoother flow. This is a slow burn, and I just don't know how much I care for the Alphas yet. Idk if I recommend.
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Reviewed in the United States on February 8, 2023
★★★★★ 5
the lies
Format: Kindle
This is amazing fast pace read that is full of plot twists and lies that keep getting bad. This is a story we’re a omega has been lied to by her mother and finds out that someone is slowing dieing. 3 alpha take the omega and feed her more lies so they can use her against her father so they can find their mate Kelly. This is a dark read and ends in a cliffhanger and so good.
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Reviewed in the United States on June 13, 2023
★★★★★ 4
Hot twists
Format: Kindle
This will keep you on your toes toes in a hot twisty mess. You want to love, hate and root for whom is the big question. I’m quickly getting the next book because it ends on a cliffhanger and damn, it’s got me ready to tear into it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026